Environmental Engineering The design discharge for the combined sewer system shall be taken as Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 2 - 3 months 10 - 12 days 24 - 48 hours 1 - 2 year 2 - 3 months 10 - 12 days 24 - 48 hours 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Disinfection Removing hardness Removing odours Removing corrosiveness Disinfection Removing hardness Removing odours Removing corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 180000 m³ 150000 m³ 270000 m³ 100000 m³ 180000 m³ 150000 m³ 270000 m³ 100000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Check valve Scour valve Sluice valve Safety valve Check valve Scour valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
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